Re: [Xen-users] Xen system hang or freeze

[thomas morgan <tm@xxxxxxxxxx>]

On Apr 6, 2009, at 1:44 AM, Martin Fernau wrote:

> With "stock xen 2.6.18.8 kernel" you mean the original Kernel from
> "http://www.xen.org/download/"; ? I currently use the xen-kernel  
> 2.6.18-r12
> from my distro. So I could give it a try...
Yes, from www.xen.org.

> How dit you get notice of these kernel oops and/or soft IRQ lockups?  
> I'm not
> able to discover _any_ abnormal events on my system as all logfiles  
> are clean.
> There must be a way to debug this...
As often as I managed to get it to crash, I occasionally saw the error  
messages on the serial console. It depended on if I was connected to  
the console and if I was watching. Even then, I only saw them sometimes.
> The only USB device I currently have attached to my dom0 is a Smart- 
> UPS
> System. I don't know if this really could kill the whole machine as  
> the
> communication between dom0 and this ups should be very very low.
Then I'd doubt it's USB in your case.

Also, in case it helps others track anything, the kernel oops: soft  
IRQ lockups were on some Dell 1950 III's. The USB issue was on some HP  
DL380 G4's.
--t


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